In reading Glenn Greenwald's 2014 book No place to hide, one thing stood out to me as a bit odd. Greenwald details how Edward Snowden was insistent that Greenwald install PGP in order to communicate ...

What is the best way to analyze requests sent by a mobile application over SSL?
The communication protocol is not necessarily HTTP/S so intercepting them with BURP/ZAP/Fiddler or any other HTTP proxy ...

Using RedPhone (the right way), one would call, establish a connection and read off the text verification on screen to the other party. If they match, it's ZRTP-secure, if it doesn't it's MITM'd.
Why ...

Is there a way to identify a person's IP address in Skype, when you're chatting with them? Does this depend on their Skype settings? And if you've recorded chat messages, can they lead to the actual ...

It appears that Stackfield is one of the only functioning applications that combines end to end encryption, messaging services and file sharing. Peerio has just been launched (literally a day or two ...

Does anyone know how tight is surespot encryption? .. Does this the government a really hard time decrypting messages or is it simple like they would get it right away. .. Like imagine I was resisting ...

I was trying out a whatsapp compatible chat application on my laptop. Someone sent me a picture and I received a link to that picture on the whatsapp server. Everyone who visits the link can see the ...

I use Skype a lot. With all of my clients, staff, contractors and friends, however, the acquisition by Microsoft worries me, as two of my clients are direct MS competitors, and I often work on long ...

For those who don't know: Telegram is a partially open source Whatsapp alternative (Server is closed source) which offers secret chats and normal chats. Secret chats are encrypted with Diffie-Hellman ...

Off-the-Record protocol employes Diffie-Hellman key exchange protocol (DH). DH protocol does not provide authentication of the communicating parties and, according to many sources, is vulnerable to ...

I'm creating a server where people can come and talk to each other. I'm mostly doing it for a fun project, here's my question.
I'm using RSA for encryption/decryption, so only the clients will know ...

As time has marched on, it would appear that the Secure Internet Live Conferencing (SILC) client/toolkit have lost a bit of steam, I can't find any current mailing lists, their website doesn't seem to ...

I noticed the Guardian Project has developed a converter to move your off-the-record messaging keys between different IM applications. I'm curious what happens if your using multiple off-the-record ...

I'm happily using off-the-record messaging now, but I'd enjoy exploring more traffic analysis resistant options? It appears the most visible ones like Tor chat are rather stagnant, or at least don't ...